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Finding the Fourth Proportional to 199.26, 297.68 and 174.96

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Solution

The fourth proportional to 199.26, 297.68 and 174.96 is: 261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.26 : 297.68 = 174.96 : x
  2. Step 2: Convert to fraction form
    199.26/297.68 = 174.96/x
  3. Step 3: Cross multiply
    199.26x = 297.68 × 174.96
  4. Step 4: Simplify right side
    199.26x = 52,081.22
  5. Step 5: Solve for x
    x = 52,081.22/199.26
  6. Step 6: Final answer
    x = 261.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.